MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the document as a link farm on potentially untrustworthy hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://laborke.ru/uplcv?utm_term=two+examples+of+immiscible+liquids PDF link annotation
- http://bpabv.nl/uploadfiles/file/gewazemugixuk.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/30126721817.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/tufoge.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/nuwuvoji.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/90579354860.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/zanoforegafe.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/aj4dh8co6ficq3tmigb389i7l0/xajefeg.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/1b25ed5b4919f09af40b5618ad1ffa38/rigipekanavojinumizoz.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbd94a3f5a---totelalomiwanimapalol.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/938ccf8c8bb39eee53cccd41eb479992/61842392777.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/dfb7d6e80b40c8ff6150cedd59efc1ed/joponumadolabukug.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog//file/33253635105.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16093c86c6883a---40998465733.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083191590935---59267254841.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/794f5db9ca723973511fb7b7a46cba82/pigexedabovegunowig.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16097dd3213707---magijinepoku.pdfIn PDF document text
- https://aimhc.com/userfiles/file/belufiwizilulubosotakazel.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/51elm8j0p9ju3cg2k1ugfb8v54/13891064276.pdfIn PDF document text
- http://andreaslasnik.com/data/files/lirik.pdfIn PDF document text
- http://astro2sphere.com/admin/images/file/10438243128.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/5af493e170404362def452ee62746215/kawinilonelebawutatala.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/48384012670.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/f5frdchs89hj1rufn3qurrsiks/sirom.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d45e172ec71---kawugabilurezixomefudoze.pdfIn PDF document text
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/xitoselo.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f413.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF413 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2A | 11016 bytes |
SHA-256: cfb3cd58c4970ae34ae0868a1320cc94167c07a090cb917b3f4e8fad84c2e702 |
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font_02_sfnt_off00012568.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12568 | 16548 bytes |
SHA-256: ce3c368c8befeacf6fcc6305d2e5fcf9d2f934983771c4b49fbaaeff840086f3 |
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